Yamaha CDR1000 Service Manual page 14

HD74HC00FPEL (XP250A00) TC74HC04AF (XS993A00)
TC74HCU04AF-TP1(XD660A00)
IC29, IC50, IC66
NAND IC6, IC52, IC65
Hex Inverter
1A 1 14 VDD 1
1A
1B 2 13 4B 2
1Y
1Y 3 12 4A 3
2A
2A 4 11 4Y
4
2Y
2B 5 10 3B 5
3A
2Y 6 9 3A 6
3Y
Vss
7 8 3Y 7
Vss
SN74HC157NSR XW110A00 TC74HC20AF
( )
IC16, IC34 IC5, IC8, IC63
Quad 2 to 1 Multiplexer NAND
1 16 1A 1
SELECT Vcc
2 15 1B 2
1A 1A G STROBE
3 14 NC 3
1B 1B 4A 4A
4
1Y 1Y 4B 13 4B 1C 4
5
12 1D 5
2A 2A 4Y 4Y
6
11 1Y 6
2B 2B 3A 3A
7 10 GND 7
2Y 2Y 3B 3B
8 9
GND 3Y
TC74HC32AF(XN241A00) TC74HC393AF-TP1(XE052A00)
IC10, IC23, IC51, IC55 IC56
Quad 2 Input OR BINARY COUNTER
1A 1
1A 1 14 V CC
1CLEAR 2
1B 2 13 4B
1QA 3
1Y 3 12 4A
1QB 4
2A 4 11 4Y
1QC 5
2B 5 10 3B
1QD 6
2Y 6 9 3A
Vss 7
GND 7 8 3Y
(GND)
TC74HC14AF-TP1(XD657A00)
IC4, IC7, IC24
Hex Inverter
14 VDD 1A 1 14 V DD
13
1Y 2 13 6A
6A
12 2A 3 12 6Y
6Y
11 2Y 4 11 5A
5A
10 3A 5 10 5Y
5Y
9 3Y 6 9 4A
4A
8 GND 7 8 4Y
4Y
TC74HC245AF(XS720A00)
XW092A00)
(
IC14, IC15
Octal 3-State Bus Transceiver
D1R 1 20 V CC
14 VCC
A1 2 19 G
13 2D
A2 3 18 B1
12 2C
A3 4 17 B2
11 NC
A4 5 16 B3
10 2B
A5 6 15 B4
9 2A
A6 7 14 B5
8 2Y
A7 8 13 B6
A8 9 12 B7
GND 10 11 B8
TC74HC4002AF(XW138A00)
IC61, IC62
NOR
14 Vcc 1Y 1 14 Vcc
13 2CLR 1A 2 13 2Y
CL
QA 12 2D 1B 3 12 2A
CL
QB QA 11 2CK 1C 4 11 2B
A<
QC QB 10 2PR
1D 5 10 2C
>A
QD QC 9 2Q
NC 6 9 2D
QD 8 2Q
GND 7 8 NC
TC74HC4024AF(XT546A00) TC74HC573AF(XH224A00)
IC25 IC2
COUNTER T-LATCCHES
CLOCK 1 V OUT PUT 1
14 CC
CONTROL
CLEAR 2 13 NC
D0 2
Q CK
Q7 3 Q1
D R R D 12 D1 3
CK Q
Q6 4 Q2
Q CK 11 D2 4
R R
Q
D CK D
Q5 5 10 NC D3 5
Q CK D
D R R
CK Q
Q4 6 9 Q3 D4 6
Q
GND 7 D R 8 NC D5 7
CK
D6 8
D7 9
GND 10
TC4W53FU (XR769A00)
TC74HC74AF(XP003A00)
IC54, IC57, IC64, IC67 2-Channel
IC53
Dual D-Type Flip-Flop
Multiplexer/Demultiplexer
1CRL 1 14 Vcc
1D 2 D
13 2CLR
COMMON 1
1CK 3 CK D 12 2D
INH 2
1PR 4 PR CK 11 2CK
V EE 3
1Q 5 Q PR 10 2PR
V 4
SS
1Q 6 Q Q 9 2Q
7 Q 8 2Q
GND
INPUTS OUTPUTS
PR CLR CLK D Q Q
L H X X H L
H L X X L H
L L X X H H
H H H H L
H H L L H
H H L X Q Q
HD74LS06FPEL(XH610A00) DS26C32ATMX(XU815A00)
IC37 IC33
Hex Inverter LINE RECEIVER
1
-
1 14 INPUTS A
1A VDD
+
2
2 13
1Y 6A
OUTPUT A 3
3 12
2A
6Y
4
ENABLE
4 11
2Y 5A
OUTPUT C 5
5 10
3A
5Y
6
+
6 9
INPUTS C
3Y 4A
-
7
7
Vss 8
4Y
GND 8
SN74HC595NSR(XW108A00)
IC11, IC58, IC59, IC60
SHIFT REGIST
V
20 CC
O 1
B 16 V CC
O
B
D Q 19 Q0
G OE O C 2 O C O A 15 O A
D Q 18 Q1
G OE O O
D 3 D SER 14 SER
D Q 17 Q2
G OE
4
O E O E G 13 G
D Q 16 Q3
G OE
RCK RCK
O F 5 O F 12
D Q 15 Q4
G OE
O O SCK SCK
G 6 G 11
D Q 14 Q5
G OE
D Q 13 Q6 O H 7 O H SCLR 10 SCLR
G OE
O'H
D Q 12 Q7
GND 8 9 OH'
G OE
11 G
NJM4556AMT1 (XQ138A00)
NJM2068MD-T1 (XJ553A00)
IC40, IC41, IC42, IC44, IC45
Dual Operation Amplifier
8 V +DC Voltage
DD
Output A 1 8
Supply
Inverting
7 ch 0
2 7 Output B
Input A - +
ch 1 Inverting
6 Non-Inverting
3 6
+ - Input B
Input A
5 Non-Inverting
A
Ground 4 5
Input B
AM26LS31M (XN919A00)
IC32
LINE DRIVER
16 Vcc INPUT A 1 16 +5.0V
15 2 15 INPUT D
-
INPUTS B A OUTPUTS
+
14 3
14
D OUTPUTS
13 OUTPUT B ENABLE 4 13
12 ENABLE 5 12 ENABLE
B OUTPUTS
11 OUTPUT D 6 11
COUTPUTS
10 INPUT B 7 10
+
INPUTS D
-
9 GND 8 9 INPUT C
CDR1000
11